diff options
Diffstat (limited to 'tools/testing/selftests/kvm/include/test_util.h')
| -rw-r--r-- | tools/testing/selftests/kvm/include/test_util.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/tools/testing/selftests/kvm/include/test_util.h b/tools/testing/selftests/kvm/include/test_util.h index 71a41fa924b7..c6ef895fbd9a 100644 --- a/tools/testing/selftests/kvm/include/test_util.h +++ b/tools/testing/selftests/kvm/include/test_util.h @@ -20,7 +20,9 @@ #include <sys/mman.h> #include "kselftest.h" -static inline int _no_printf(const char *format, ...) { return 0; } +#define msecs_to_usecs(msec) ((msec) * 1000ULL) + +static inline __printf(1, 2) int _no_printf(const char *format, ...) { return 0; } #ifdef DEBUG #define pr_debug(...) printf(__VA_ARGS__) @@ -89,9 +91,28 @@ struct guest_random_state { uint32_t seed; }; +extern uint32_t guest_random_seed; +extern struct guest_random_state guest_rng; + struct guest_random_state new_guest_random_state(uint32_t seed); uint32_t guest_random_u32(struct guest_random_state *state); +static inline bool __guest_random_bool(struct guest_random_state *state, + uint8_t percent) +{ + return (guest_random_u32(state) % 100) < percent; +} + +static inline bool guest_random_bool(struct guest_random_state *state) +{ + return __guest_random_bool(state, 50); +} + +static inline uint64_t guest_random_u64(struct guest_random_state *state) +{ + return ((uint64_t)guest_random_u32(state) << 32) | guest_random_u32(state); +} + enum vm_mem_backing_src_type { VM_MEM_SRC_ANONYMOUS, VM_MEM_SRC_ANONYMOUS_THP, @@ -132,6 +153,7 @@ bool is_backing_src_hugetlb(uint32_t i); void backing_src_help(const char *flag); enum vm_mem_backing_src_type parse_backing_src_type(const char *type_name); long get_run_delay(void); +bool is_numa_balancing_enabled(void); /* * Whether or not the given source type is shared memory (as opposed to @@ -195,4 +217,6 @@ __printf(3, 4) int guest_snprintf(char *buf, int n, const char *fmt, ...); char *strdup_printf(const char *fmt, ...) __attribute__((format(printf, 1, 2), nonnull(1))); +char *sys_get_cur_clocksource(void); + #endif /* SELFTEST_KVM_TEST_UTIL_H */ |